- Added a property to perform caps negotiation in the chain function instead of using proxied negotiation.

Original commit message from CVS:
- Added a property to perform caps negotiation in the chain function instead
of using proxied negotiation.
This commit is contained in:
Wim Taymans 2003-04-17 22:31:32 +00:00
parent 9811bb9aad
commit e1bfecf799
4 changed files with 114 additions and 34 deletions

View file

@ -53,6 +53,7 @@ enum {
ARG_SILENT,
ARG_LAST_MESSAGE,
ARG_DUMP,
ARG_DELAY_CAPSNEGO,
};
@ -98,7 +99,8 @@ gst_identity_class_init (GstIdentityClass *klass)
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOOP_BASED,
g_param_spec_boolean ("loop-based", "Loop-based", "Set to TRUE to use loop-based rather than chain-based scheduling",
g_param_spec_boolean ("loop-based", "Loop-based",
"Set to TRUE to use loop-based rather than chain-based scheduling",
TRUE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SLEEP_TIME,
g_param_spec_uint ("sleep-time", "Sleep time", "Microseconds to sleep between processing",
@ -119,7 +121,10 @@ gst_identity_class_init (GstIdentityClass *klass)
g_param_spec_string ("last-message", "last-message", "last-message",
NULL, G_PARAM_READABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DUMP,
g_param_spec_boolean("dump","Dump","Dump buffer contents",
g_param_spec_boolean("dump", "Dump", "Dump buffer contents",
FALSE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DELAY_CAPSNEGO,
g_param_spec_boolean("delay_capsnego", "Delay Caps Nego", "Delay capsnegotiation to loop/chain function",
FALSE, G_PARAM_READWRITE));
gst_identity_signals[SIGNAL_HANDOFF] =
@ -149,6 +154,11 @@ gst_identity_getcaps (GstPad *pad, GstCaps *caps)
GstPad *otherpad;
identity = GST_IDENTITY (gst_pad_get_parent (pad));
if (identity->delay_capsnego) {
return NULL;
}
otherpad = (pad == identity->srcpad ? identity->sinkpad : identity->srcpad);
return gst_pad_get_allowed_caps (otherpad);
@ -158,13 +168,23 @@ static GstPadLinkReturn
gst_identity_link (GstPad *pad, GstCaps *caps)
{
GstIdentity *identity;
GstPad *otherpad;
identity = GST_IDENTITY (gst_pad_get_parent (pad));
otherpad = (pad == identity->srcpad ? identity->sinkpad : identity->srcpad);
if (GST_CAPS_IS_FIXED (caps))
return gst_pad_try_set_caps (otherpad, caps);
if (GST_CAPS_IS_FIXED (caps)) {
if (identity->delay_capsnego && GST_PAD_IS_SINK (pad)) {
identity->srccaps = gst_caps_ref (caps);
return GST_PAD_LINK_OK;
}
else {
GstPad *otherpad;
otherpad = (pad == identity->srcpad ? identity->sinkpad : identity->srcpad);
return gst_pad_try_set_caps (otherpad, caps);
}
}
else
return GST_PAD_LINK_DELAYED;
}
@ -192,6 +212,8 @@ gst_identity_init (GstIdentity *identity)
identity->silent = FALSE;
identity->dump = FALSE;
identity->last_message = NULL;
identity->delay_capsnego = FALSE;
identity->srccaps = NULL;
}
static void
@ -206,6 +228,16 @@ gst_identity_chain (GstPad *pad, GstBuffer *buf)
identity = GST_IDENTITY (gst_pad_get_parent (pad));
if (identity->delay_capsnego && identity->srccaps) {
if (gst_pad_try_set_caps (identity->srcpad, identity->srccaps) <= 0) {
if (!gst_pad_recover_caps_error (identity->srcpad, identity->srccaps)) {
gst_buffer_unref (buf);
return;
}
}
identity->srccaps = NULL;
}
if (identity->error_after >= 0) {
identity->error_after--;
if (identity->error_after == 0) {
@ -315,6 +347,9 @@ gst_identity_set_property (GObject *object, guint prop_id, const GValue *value,
case ARG_DUMP:
identity->dump = g_value_get_boolean (value);
break;
case ARG_DELAY_CAPSNEGO:
identity->delay_capsnego = g_value_get_boolean (value);
break;
case ARG_ERROR_AFTER:
identity->error_after = g_value_get_int (value);
break;
@ -356,6 +391,9 @@ static void gst_identity_get_property(GObject *object, guint prop_id, GValue *va
case ARG_DUMP:
g_value_set_boolean (value, identity->dump);
break;
case ARG_DELAY_CAPSNEGO:
g_value_set_boolean (value, identity->delay_capsnego);
break;
case ARG_LAST_MESSAGE:
g_value_set_string (value, identity->last_message);
break;

View file

@ -48,19 +48,21 @@ typedef struct _GstIdentity GstIdentity;
typedef struct _GstIdentityClass GstIdentityClass;
struct _GstIdentity {
GstElement element;
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
GstPad *sinkpad;
GstPad *srcpad;
gboolean loop_based;
guint duplicate;
gint error_after;
gfloat drop_probability;
guint sleep_time;
gboolean silent;
gboolean dump;
gchar *last_message;
gboolean loop_based;
guint duplicate;
gint error_after;
gfloat drop_probability;
guint sleep_time;
gboolean silent;
gboolean dump;
gchar *last_message;
gboolean delay_capsnego;
GstCaps *srccaps;
};
struct _GstIdentityClass {

View file

@ -53,6 +53,7 @@ enum {
ARG_SILENT,
ARG_LAST_MESSAGE,
ARG_DUMP,
ARG_DELAY_CAPSNEGO,
};
@ -98,7 +99,8 @@ gst_identity_class_init (GstIdentityClass *klass)
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOOP_BASED,
g_param_spec_boolean ("loop-based", "Loop-based", "Set to TRUE to use loop-based rather than chain-based scheduling",
g_param_spec_boolean ("loop-based", "Loop-based",
"Set to TRUE to use loop-based rather than chain-based scheduling",
TRUE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SLEEP_TIME,
g_param_spec_uint ("sleep-time", "Sleep time", "Microseconds to sleep between processing",
@ -119,7 +121,10 @@ gst_identity_class_init (GstIdentityClass *klass)
g_param_spec_string ("last-message", "last-message", "last-message",
NULL, G_PARAM_READABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DUMP,
g_param_spec_boolean("dump","Dump","Dump buffer contents",
g_param_spec_boolean("dump", "Dump", "Dump buffer contents",
FALSE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DELAY_CAPSNEGO,
g_param_spec_boolean("delay_capsnego", "Delay Caps Nego", "Delay capsnegotiation to loop/chain function",
FALSE, G_PARAM_READWRITE));
gst_identity_signals[SIGNAL_HANDOFF] =
@ -149,6 +154,11 @@ gst_identity_getcaps (GstPad *pad, GstCaps *caps)
GstPad *otherpad;
identity = GST_IDENTITY (gst_pad_get_parent (pad));
if (identity->delay_capsnego) {
return NULL;
}
otherpad = (pad == identity->srcpad ? identity->sinkpad : identity->srcpad);
return gst_pad_get_allowed_caps (otherpad);
@ -158,13 +168,23 @@ static GstPadLinkReturn
gst_identity_link (GstPad *pad, GstCaps *caps)
{
GstIdentity *identity;
GstPad *otherpad;
identity = GST_IDENTITY (gst_pad_get_parent (pad));
otherpad = (pad == identity->srcpad ? identity->sinkpad : identity->srcpad);
if (GST_CAPS_IS_FIXED (caps))
return gst_pad_try_set_caps (otherpad, caps);
if (GST_CAPS_IS_FIXED (caps)) {
if (identity->delay_capsnego && GST_PAD_IS_SINK (pad)) {
identity->srccaps = gst_caps_ref (caps);
return GST_PAD_LINK_OK;
}
else {
GstPad *otherpad;
otherpad = (pad == identity->srcpad ? identity->sinkpad : identity->srcpad);
return gst_pad_try_set_caps (otherpad, caps);
}
}
else
return GST_PAD_LINK_DELAYED;
}
@ -192,6 +212,8 @@ gst_identity_init (GstIdentity *identity)
identity->silent = FALSE;
identity->dump = FALSE;
identity->last_message = NULL;
identity->delay_capsnego = FALSE;
identity->srccaps = NULL;
}
static void
@ -206,6 +228,16 @@ gst_identity_chain (GstPad *pad, GstBuffer *buf)
identity = GST_IDENTITY (gst_pad_get_parent (pad));
if (identity->delay_capsnego && identity->srccaps) {
if (gst_pad_try_set_caps (identity->srcpad, identity->srccaps) <= 0) {
if (!gst_pad_recover_caps_error (identity->srcpad, identity->srccaps)) {
gst_buffer_unref (buf);
return;
}
}
identity->srccaps = NULL;
}
if (identity->error_after >= 0) {
identity->error_after--;
if (identity->error_after == 0) {
@ -315,6 +347,9 @@ gst_identity_set_property (GObject *object, guint prop_id, const GValue *value,
case ARG_DUMP:
identity->dump = g_value_get_boolean (value);
break;
case ARG_DELAY_CAPSNEGO:
identity->delay_capsnego = g_value_get_boolean (value);
break;
case ARG_ERROR_AFTER:
identity->error_after = g_value_get_int (value);
break;
@ -356,6 +391,9 @@ static void gst_identity_get_property(GObject *object, guint prop_id, GValue *va
case ARG_DUMP:
g_value_set_boolean (value, identity->dump);
break;
case ARG_DELAY_CAPSNEGO:
g_value_set_boolean (value, identity->delay_capsnego);
break;
case ARG_LAST_MESSAGE:
g_value_set_string (value, identity->last_message);
break;

View file

@ -48,19 +48,21 @@ typedef struct _GstIdentity GstIdentity;
typedef struct _GstIdentityClass GstIdentityClass;
struct _GstIdentity {
GstElement element;
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
GstPad *sinkpad;
GstPad *srcpad;
gboolean loop_based;
guint duplicate;
gint error_after;
gfloat drop_probability;
guint sleep_time;
gboolean silent;
gboolean dump;
gchar *last_message;
gboolean loop_based;
guint duplicate;
gint error_after;
gfloat drop_probability;
guint sleep_time;
gboolean silent;
gboolean dump;
gchar *last_message;
gboolean delay_capsnego;
GstCaps *srccaps;
};
struct _GstIdentityClass {